Peel and cut the potatoes into bite-sized pieces, soak in water for 5 minutes, then drain.

Mince the onion finely.

Heat 1/2 tbsp vegetable oil in a frying pan, add ground meat, and cook over medium heat until browned. Add minced onion and cook until softened.

Add curry powder, salt, and Worcestershire sauce to the meat mixture, stir well, and let it cool slightly.

Boil the potatoes in a pot with enough water to cover them. Once boiling, cover and cook for about 10 minutes until tender.

Drain the potatoes and shake the pot over medium heat to evaporate excess moisture.

Mash the potatoes in a bowl, let them cool slightly, then mix in the fukujinzuke and the meat mixture. Divide into 6 portions and shape into oval patties.

Coat each patty in flour, beaten egg, and breadcrumbs in sequence.